Andrew Dixon ◉

MBBS (Hons) FRANZCR

Andrew is a Consultant Radiologist at the Alfred Hospital in Melbourne, Australia. He has primary subspecialty expertise in neuroradiology, with secondary interests in musculoskeletal imaging and trauma radiology.

He is a keen radiology educator, having achieved international recognition for his courses including Radiopaedia's Trauma Radiology Course, Emergency Radiology Course and Medical Imaging Anatomy Course. He founded the Radiology Channel on YouTube.

He is currently Radiopaedia's academic director and was co-convenor of the Radiopaedia Virtual Conference in 2020, 2021, 2022 and 2023.

Andrew is a director of Radiopedia Events Pty Ltd

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Andrew Dixon ◉ made 15 changes to the...

Question Which oblique lumbar radiographic technique is depicted here and whic... about 2 months ago

Reviewed by Mohammad Taghi Niknejad ◉ about 2 months ago

Andrew Dixon ◉ made 1 change to the...

Question Lumbar radiographs in a 65-year-old male with lower back pain reveal... about 2 months ago

Reviewed by Mohammad Taghi Niknejad ◉ about 2 months ago

Andrew Dixon ◉ made 4 changes to the...

Question Extensive degenerative endplate sclerosis extending deep into the ver... about 2 months ago

Reviewed by Mohammad Taghi Niknejad ◉ about 2 months ago

Andrew Dixon ◉ made 1 change to the...

Question This line on a lateral lumbar radiograph can help determine if a susp... about 2 months ago

Reviewed by Amanda Er ◉ about 2 months ago

Andrew Dixon ◉ made 2 changes to the...

Question A horizontal “line of condensation” on x-ray or CT indicates that a v... about 2 months ago

Reviewed by Leonardo Lustosa ◉ about 2 months ago

Andrew Dixon ◉ made 2 changes to the...

Question An accentuated vertical trabecular pattern within a single lumbar ver... about 2 months ago

Reviewed by Andrea Molinari ◉ about 2 months ago

Andrew Dixon ◉ made 2 changes to the...

Question Lumbar radiographs in a 65-year-old male with lower back pain reveal... about 2 months ago

Reviewed by Amanda Er ◉ about 2 months ago

Andrew Dixon ◉ made 1 change to the...

Question Which radiographic projection allows for better visualization of the... about 2 months ago

Reviewed by Amanda Er ◉ about 2 months ago

Andrew Dixon ◉ made 2 changes to the...

Question Which other spondyloarthritis is radiographically indistinguishable f... about 2 months ago

Reviewed by Andrea Molinari ◉ about 2 months ago

Andrew Dixon ◉ made 3 changes to the...

Question Which is a described sign of spondylolisthesis on a frontal lumbar ra... about 2 months ago

Reviewed by Andrea Molinari ◉ about 2 months ago

Andrew Dixon ◉ made 4 changes to the...

Question Degenerative intervertebral disc nuclear clefts that become filled wi... about 2 months ago

Reviewed by Mostafa Elfeky ◉ about 2 months ago

Andrew Dixon ◉ made 10 changes to the...

Question Which oblique lumbar radiographic technique is depicted here and whic... about 2 months ago

Reviewed by Amanda Er ◉ about 2 months ago

Andrew Dixon ◉ made 6 changes to the...

Question Bertolotti syndrome is a painful manifestation of a lumbosacral trans... about 2 months ago

Reviewed by Mohammad Taghi Niknejad ◉ about 2 months ago

Andrew Dixon ◉ made 1 change to the...

Question An incidental, solitary hypodense splenic lesion (HU>20) is demons... 3 months ago

Reviewed by Joachim Feger ◉ 3 months ago

Andrew Dixon ◉ made 1 change to the...

Question Neonate with failure to pass meconium. What is the most likely diagno... 6 months ago

Reviewed by Rohit Sharma ◉ 6 months ago

Andrew Dixon ◉ made 1 change to the...

Question Which feature is most suggestive of postoperative spondylodiscitis as... 9 months ago

Reviewed by Frank Gaillard ◉ ◈ 9 months ago

Andrew Dixon ◉ made 5 changes to the...

Question Leptomeningeal disease is more suggestive of which of the following p... 9 months ago

Reviewed by Andrea Molinari ◉ 9 months ago

Andrew Dixon ◉ made 5 changes to the...

Question Which of the following imaging features suggests that a dural lesion... 9 months ago

Reviewed by Andrea Molinari ◉ 9 months ago

Andrew Dixon ◉ made 6 changes to the...

Question Which of the following types of MR sequences is best for visualisatio... 9 months ago

Reviewed by Andrea Molinari ◉ 9 months ago

Andrew Dixon ◉ made 1 change to the...

Question A 60-year-old woman with a 50 pack-year history of smoking presents w... 9 months ago

Reviewed by Joachim Feger ◉ 9 months ago

Andrew Dixon ◉ made 3 changes to the...

Question Abnormal contact between the lumbar spinous processes causing painful... 10 months ago

Reviewed by Joachim Feger ◉ 10 months ago

Andrew Dixon ◉ made 5 changes to the...

Question Degenerative spondylolisthesis is typically caused by…... 10 months ago

Reviewed by Mostafa Elfeky ◉ 10 months ago

Andrew Dixon ◉ made 4 changes to the...

Question Spondylosis [deformans] refers to…... 10 months ago

Reviewed by Joachim Feger ◉ 10 months ago

Andrew Dixon ◉ made 7 changes to the...

Question A hemivertebra that is compensated by overgrowth of an adjacent segme... 10 months ago

Reviewed by Joachim Feger ◉ 10 months ago

Andrew Dixon ◉ made 5 changes to the...

Question An ununited secondary ossification center of a vertebral articular pr... 10 months ago

Reviewed by Joachim Feger ◉ 10 months ago

Andrew Dixon ◉ made 4 changes to the...

Question The immediate post-operative scan following glioblastoma resection sh... 10 months ago

Reviewed by Mohamed Saber ◉ 10 months ago

Andrew Dixon ◉ made 2 changes to the...

Question Pseudoprogression following glioblastoma treatment is more commonly s... 10 months ago

Reviewed by Mohamed Saber ◉ 10 months ago

Andrew Dixon ◉ created and made 5 changes to the...

Question The immediate post-operative scan following glioblastoma resection sh... 10 months ago

Reviewed by Joachim Feger ◉ 10 months ago

Andrew Dixon ◉ created and made 5 changes to the...

Question On the first post-treatment scan following glioma resection, increase... 10 months ago

Reviewed by Henry Knipe ◉ ◈ 10 months ago

Andrew Dixon ◉ created and made 6 changes to the...

Question Pseudoprogression following glioblastoma treatment is more commonly s... 10 months ago

Reviewed by Joachim Feger ◉ 10 months ago

Andrew Dixon ◉ made 6 changes to the...

Question Which of the following is NOT a sign of failure of operative spinal f... 10 months ago

Reviewed by Andrew Murphy ◉ 10 months ago

Andrew Dixon ◉ made 4 changes to the...

Question Which feature is most suggestive of postoperative spondylodiscitis as... 10 months ago

Reviewed by Andrew Murphy ◉ 10 months ago

Andrew Dixon ◉ created and made 6 changes to the...

Question Why do some patients with symptoms of cord or thecal sac compression... 10 months ago

Reviewed by Andrew Murphy ◉ 10 months ago

Andrew Dixon ◉ created and made 6 changes to the...

Question Which of the following is NOT a sign of failure of operative spinal f... 10 months ago

Reviewed by Andrew Murphy ◉ 10 months ago

Andrew Dixon ◉ created and made 5 changes to the...

Question Which feature is most suggestive of postoperative spondylodiscitis as... 10 months ago

Reviewed by Andrew Murphy ◉ 10 months ago

Andrew Dixon ◉ created and made 6 changes to the...

Question In which of these clinical settings would it be most appropriate to p... 11 months ago

Reviewed by Rohit Sharma ◉ 11 months ago

Andrew Dixon ◉ created and made 6 changes to the...

Question Which of these clinical signs or symptoms is NOT associated with Eagl... 11 months ago

Reviewed by Rohit Sharma ◉ 11 months ago

Andrew Dixon ◉ created and made 9 changes to the...

Question Which of these nerves does NOT supply pain sensation to the ear?... 11 months ago

Reviewed by Rohit Sharma ◉ 11 months ago

Andrew Dixon ◉ made 2 changes to the...

Question What is the structure indicated by the arrow on this axial temporal b... 11 months ago

Reviewed by Rohit Sharma ◉ 11 months ago

Andrew Dixon ◉ made 4 changes to the...

Question Which connective tissues disease is commonly associated with nonspeci... 11 months ago

Reviewed by Rohit Sharma ◉ 11 months ago

Andrew Dixon ◉ made 5 changes to the...

Question Which imaging feature is most suggestive of a carotid space mass?... 12 months ago

Reviewed by Joachim Feger ◉ 12 months ago

Andrew Dixon ◉ made 6 changes to the...

Question If a suprahyoid neck mass extends through foramen ovale, it most like... 12 months ago

Reviewed by Joachim Feger ◉ 12 months ago

Andrew Dixon ◉ made 5 changes to the...

Question When suspecting metastatic nodal disease of the parotid gland, a hist... 12 months ago

Reviewed by Joachim Feger ◉ 12 months ago

Andrew Dixon ◉ made 1 change to the...

Question Which would NOT be a normal expected measurement on an ankle radiogra... over 1 year ago

Reviewed by Andrew Murphy ◉ over 1 year ago

Andrew Dixon ◉ created and made 6 changes to the...

Question Which of the following chest radiographs does NOT show any evidence o... over 1 year ago

Reviewed by Mohamed Saber ◉ over 1 year ago

Andrew Dixon ◉ created and made 8 changes to the...

Question Chest radiograph of a young adult. The outline of what normal structu... over 1 year ago

Reviewed by Mohamed Saber ◉ over 1 year ago

Andrew Dixon ◉ made 3 changes to the...

Question A young man with sickle cell anemia presented to the emergency depart... over 1 year ago

Reviewed by Rohit Sharma ◉ over 1 year ago

Andrew Dixon ◉ made 1 change to the...

Question A 60-year-old man presents in the emergency department with complaint... over 1 year ago

Reviewed by Andrew Murphy ◉ over 1 year ago

Andrew Dixon ◉ made 1 change to the...

Question Which patient has a liposarcoma?... over 1 year ago

Reviewed by Joshua Yap ◉ ◈ over 1 year ago

Andrew Dixon ◉ made 3 changes to the...

Question A 13-year-old boy presents after an inversion injury to his ankle. X-... over 1 year ago

Reviewed by Rania Adel Anan ◉ over 1 year ago

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Andrew Dixon ◉

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